An occupational therapist (OTR) is working with a client who has decreased nerve function. The client has lost precision pinch, thenar opposition, and the ability to bend the index and long fingers at the proximal and distal interphalangeal joints. What deformity is the client most likely to have?

A. Ulnar claw
B. Boutonniere deformity
C. Swan neck deformity
D. Ape hand deformity

The client is most likely to have Ape Hand Deformity, which is typified by the described loss of precision pinch, thenar opposition, and difficulties bending the index and long fingers at the interphalangeal joints. This condition results from a median nerve injury.

Explanation:

In the given scenario, the client who has lost precision pinch, thenar opposition, and the ability to bend the index and long fingers at the proximal and distal interphalangeal joints is most likely suffering from Ape Hand Deformity. This deformity typically corresponds to the signs and symptoms described. Ape hand deformity occurs due to damage to the median nerve, affecting the thenar muscles and resulting in an inability to oppose or flex the thumb, as well as impacting lateral digit flexion.

Undergoing tests for motor function can enhance our understanding of whether there is damage to the upper or lower motor neurons, impacting the mobility and function of the hands. For an accurate diagnosis, a detailed medical examination should be pursued by a professional healthcare provider.

Learn more about Ape Hand Deformity here:

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